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Replacing a Power Supply Fan With a Performance Case Fan

By  George Niemela

Page 5:     Connecting the connectors and wrapping up the project

The final objective is to connect the connectors to the former 4-pin fan.  This is pretty easy.  You need to take the bared wires and slip the plastic part through the first set of clamps.  Make sure that the metal hits a lot of the connector.  You are depending on a good contact here so be liberal on this part.  Just make sure there is not overhang.  Then take the first set of clamps and take the needlenose pliers and clamp down on the plastic so that you have a very firm grip. It should not be loose at all. If you bought the connector then also take the needlenose pliers and clamp down on the metal.  If you didn’t buy the connector then you can take your soldering iron, if you have one, and put a little solder on the metal to give the wire a good contact to the connector.  Do all of this with the other wire.  Now take that plastic connector head and with the wire end facing you and the holes facing up plug the red wire into the right side and the black wire into the left side.  

 

Now you have a new 2-pin fan.  Now you just have to plug this connector back into the power supply.  Decide which way you want the fan to blow and the direction is printed on the side of the fan.  I would suggest that you have it blow toward the outside.  This minimizes the dust that you take in and it exhausts heat that collects at the top of the case.  Then screw the fan in.  Put the power supply cover back on and screw it in.  Put the power supply into the case and plug everything back into the motherboard and drives.  Plug in the power cable and let it stand for five minutes.  Then your computer is ready to start.  

 

I will add a brief note about starting the computer after this process.  Your power supply has been drained of virtually all of its power and your computer has been drained since it has not been plugged in for the length of this procedure.  So if it does not start up at first do not panic.  Leave the computer plugged in for a few minutes, letting the capacitors of the power supply fill up.  Then unplug the computer for 20 seconds.  Then plug it back in and it should start.

 

 

 

George's profile and his computer "LEGION" which the modified power supply is running in.

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